Question

Am nevoie de ajutor la ex 5 6 7 8 9 10

Answer 1

5.
13/9=13:9=1,444...=1, (4)

6.
0,6=6/10=2/5
1 întreg 7/18=(1×18+7)/18=25/18
2/5 • 25/18 = 5/9

7.
1,34-0.52=0,82

8.
(7+1,2)•2-1,4=
8,2•2-1,4=
16,4-1,4=
15

9.
[(6+12):3+12+2]•2-25=
(6+14)•2-25=
40-25=
15

10.
[1+2•(3+4•37)]:3-100=
(1+2•151):3-100=
303:3-100=
101-100=
1

Answer 2

13/9=1,(4)
137/45=3.0(4)

6/10*25/18=5/6

(7+1.2)*2-1.4=8.2*2-1.4=16.4-1.4=15

[(6+12):3+12+2]*2-25=(6+14)*2-25=40-25=15

[1+2(3+148)]:3-100
(1+302):3-100
303:3-100
101-100=1